GRASSES OF IOWA. 



157 



Fig. 111. Sporobolus long i/olius — a, a spikelet; 



description. 



Long Leaved Rush 

 tikxss. A stout perennial, i 

 to 3 feet (3J-10 dm.) 

 high, with very Long, atten- 

 uate-pointed leaves, and strict, 

 spike-like panicles 3 to 10 

 inches (8-25 cm.) long, 

 which are more or le 

 eluded in the inflated leaf- 

 sheaths. Spikelets 2 to 2\- 

 lines (4-5 mm.) long; empty 

 glumes unequal, scabrous on 

 the keel above, obtuse or sub- 

 acute; flowering glume scab- 

 rous on the keel, obtuse, 

 equalling or- a little shorter 

 than the obtuse palea. Dry, 

 sand_\- soil. August to Octo- 

 ber 



Common on gravelly soils 

 in northern and central and 

 eastern Iowa. 



DISTRIBUTION". 



Iowa. Slater ( Fawcett and 

 Tener), Clinton, Marshall- 



b, the s-ame with the empty glume separated from town, Hawarden, Carnarvon, 

 the flowering glume; c, grain enclosed by the , •> ,, c . /~i. t-. 



loose per.carp; d. grain. (Div. of Agros. U. S. Carroll, blOUX City, Des 



Dept. of Agrl. ) Moines 1463, Slater (Pam- 



mel) ; -Muscatine (Reppert); Mt. Pleasant (Mills); 776, Tabor 

 (Baldwin) ; 651, Dixon (Snyder) ; 106, Ames (Ball) ; Scott and Mus- 

 catine Counties (Barnes and Miller) ; Sioux City (Miss Wakefield) ; 

 Greenfield (Stewart) ; Des Moines (Carver) ; 1421, Sheldahl (Pam- 

 mel, Hume and Sample) ; Boone (Carver) ; 1462, Sheldahl and Slater 

 ( Pammel ) . 



A orth America. From Maine to Pennsylvania; south to Florida, 



y 



Tenneseee, Alabama, Missouri (St. Louis, Eggert), Texas; west and 

 north to Iowa, Wisconsin, Minnesota, Nebraska (Hastings, Pammel, 

 280), Dakotas (S. D., Griffith, 71), and Utah. 



